.box{
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
  
}
.grid-demo-item-block {
  border: solid 1px #fff;
  background: #ccc;
  text-align: center;
  color: #000;
  height: 25px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.city{
    height: 45px;
    display: flex;
    align-items: center;
    border-radius: 5px;
    padding: 0 10px;
    background: #ccc;
}
.history{
    display: flex;
    justify-content: space-between;
    align-items: center;
}